
Gaku Oshida is a Japanese actor and dancer who portrayed Geiz Myokoin/Kamen Rider Geiz in "Kamen Rider Zi-O". Until March 31, 2021, Oshida was affiliated with Ever Green Entertainment. In November of 2016, Oshida was the winner of the 29th Junon Super Boy Contest and attended the contest alongside contestants Hiroki Iijima and Ryutaro Okada. He made his first drama appearance in a live-action adaptation of the manga series "Inside Mari". In mid-2018, he was cast as Geiz Myokoin in "Kamen Rider Zi-O".

Kamen Rider
TV • 1971

CSI: Crime Scene Talks
TV • 2011

Kamen Rider Zi-O
TV • 2018

Unnatural
TV • 2018

Cosmetic Playlover
TV • 2024

Mr. Unlucky Has No Choice but to Kiss!
TV • 2022

RIDER TIME: Kamen Rider Zi-O VS Decade
TV • 2021

RIDER TIME: Kamen Rider Ryuki
TV • 2019

In-House Marriage Honey
TV • 2020

Stage Play "Journey to the West"
TV • 2024

The 8.2 Second Rule
TV • 2022

Sugar Sugar Honey
TV • 2024

Kamen Rider Heisei Generations Forever
MOVIE • 2018

GRAPARA!
TV • 2025

Marriage with Me? Seriously?
TV • 2023

Honey Lemon Soda
MOVIE • 2021

Kamen Rider Reiwa: The First Generation
MOVIE • 2019

Samurai Sensei
MOVIE • 2018